Every biological cell in this universe acts in self interest.
Humans are the only organisms who get confused about this.
Discussion
(1) Quite a many hive organisms prioritize the group over the individual.
(2) The cells of every multicellular body do the same: Prioritizing individual contributions to the whole over individual survival.
Cells literally undergo programmed cell death to benefit the whole.
The exception would be cancer where the cells prioritize their own survival over that of the whole.
Based
But also, free market dynamics imitate the high stakes consequences of the natural world. Hierarchical structures are certainly common in herd dynamics, but amongst predators, tribalism prevails.
There is no right way, but there is a right way for you. Whatever you choose, go all in. I choose my family (tribe). I generally wish everyone well now, but when we reach mandibles, I will knock your ass out for a can of beans.